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Symptom
Check 1. (OK
1) Check video input (CRT B/D
4. No video
(CNC2 #1, 3, 5 wave form)
2) Check ICC01 video output
(ICC1 #21,24,26 wave form)
3) Check ICC03 video input
(ICC3 #8, 9, 11)
4) Check ICC03 video output
(ICC3 #1, 3, 5)
5) Check R, G, B cathode
wave form
6 ) Check heater voltage
, NO
)
Check 1. (OK
1) Check ICI01 video input
(ICI1 #1, 3, 5/#7, 9, 11 wave form)
2) Check ICI01sync input
(ICI01 #12, 24/#13, 23 wave form
3) Check ICI01 video output
(ICI1 #15,19,21wave form)
4) Check IC01 sync output
(ICI01 #14, 22 wave form)
1) Check ICC01 CLP input
(ICC01 #18)
2) Check ICC01 BLK input
(ICC01 #19)
3) Check ICC01 dead
1) Check QC09,10,11,RC08,09,
10,26,27,28,50 51,52
1) Check ICC03 VCC(#6, #10)
2) Check ICC03 dead
1) Check QC03~08
2) Check DC07~09
3) Check ICC#15,16,17
Check DP25
--15--
, NO
)
1) Check signal cable
1) Check signal cable
1) Check ICI01 dead
1) Check ICI01 dead
1) Check ICM01 #31(CLP)
2) Check CNM01 cable
1) Check TH03 #7 wave form
2) Check CNM01 cable
3) Check QC01, QC02
1) Check 12VB,80V Line
Check 6.3v line
Action
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